简介:摘要 本文主要介绍一辆丰田卡罗拉汽车,由于接触不良点火反馈信号 IGF缺失而引起点火系统停止对点火线圈工作,不产生高压,火花塞不能产生电火花点燃气缸内可燃混合气,发动机不能起动。通过读取发动机故障码从而找到故障点,根据电控发动机工作原理进行故障诊断和分析,并排除故障。
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